Altuğ Bilgin Altıntaş is a Business Agility Engineer based on Istanbul/Türkiye. He is the co-founder of JUG Istanbul and co-orginizer of Java Day Istanbul. He previously worked at Koç.net, Hakia, and Toyota Motor Europe at various technical leadership and coaching roles. He has been actively programming with Java since 1999. He is a active practitioner and coach in Java architecture and Lean software development and Toyota Kata as problem solving approach. He has already spoke at 40+ conferences (like JJUG Tokyo, JCON Germany, Lean Kanban France, TokyoTestFest, Java Day Istanbul, and many others) organized 100+ meetups,